netdev - Re: [PATCH]: Third (final?) release of Sun Neptune driver

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Date:	Fri, 05 Oct 2007 17:14:31 -0400
From:	Jeff Garzik <jeff@...zik.org>
To:	David Miller <davem@...emloft.net>
CC:	shemminger@...ux-foundation.org, netdev@...r.kernel.org,
	Ariel.Hendel@....com, greg.onufer@....com,
	Ashley.Saulsbury@....com, Matheos.Worku@....com
Subject: Re: [PATCH]: Third (final?) release of Sun Neptune driver

David Miller wrote:
> From: Stephen Hemminger <shemminger@...ux-foundation.org>
> Date: Fri, 5 Oct 2007 08:40:36 -0700
> 
>> WARNING: braces {} are not necessary for single statement blocks
>> #691: FILE: drivers/net/niu.c:603:
>> +	if (lp->loopback_mode == LOOPBACK_PHY) {
>> +		test_cfg_val |= ((ENET_TEST_MD_PAD_LOOPBACK <<
>> +				  ENET_SERDES_TEST_MD_0_SHIFT) |
>> +				 (ENET_TEST_MD_PAD_LOOPBACK <<
>> +				  ENET_SERDES_TEST_MD_1_SHIFT) |
>> +				 (ENET_TEST_MD_PAD_LOOPBACK <<
>> +				  ENET_SERDES_TEST_MD_2_SHIFT) |
>> +				 (ENET_TEST_MD_PAD_LOOPBACK <<
>> +				  ENET_SERDES_TEST_MD_3_SHIFT));
>> +	}
> 
> This is why I don't run checkpatch on my work.

IMO it -is- useful.

You just have to ignore some of its complaints.  Part of my coding style 
includes the multiple assignment thing that checkpatch complains about:

	status =
	msi->status = br32(QDMA_STAT);

and I am not going to stop doing that just because checkpatch complains :)


> This statement is a "single statement" but it's broken up
> into multiple lines for readability, and it make perfect
> sense to put braces around this basic block so it's easier
> for humans to see what's going on.

Strongly agreed.

	Jeff



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